Base | Representation |
---|---|
bin | 1111001000010… |
… | …01011001110101 |
3 | 22211211000022111 |
4 | 13210021121311 |
5 | 224442304323 |
6 | 20332131021 |
7 | 3100525054 |
oct | 744113165 |
9 | 284730274 |
10 | 126916213 |
11 | 65706036 |
12 | 36606a71 |
13 | 203a8c68 |
14 | 12bda39b |
15 | b21ec0d |
hex | 7909675 |
126916213 has 8 divisors (see below), whose sum is σ = 129040128. Its totient is φ = 124806624.
The previous prime is 126916199. The next prime is 126916241. The reversal of 126916213 is 312619621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-126916213 is a prime.
It is a super-2 number, since 2×1269162132 = 32215450244522738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126916613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15081 + ... + 21937.
It is an arithmetic number, because the mean of its divisors is an integer number (16130016).
Almost surely, 2126916213 is an apocalyptic number.
It is an amenable number.
126916213 is a deficient number, since it is larger than the sum of its proper divisors (2123915).
126916213 is an equidigital number, since it uses as much as digits as its factorization.
126916213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7163.
The product of its digits is 3888, while the sum is 31.
The square root of 126916213 is about 11265.7096092523. The cubic root of 126916213 is about 502.5420051847.
The spelling of 126916213 in words is "one hundred twenty-six million, nine hundred sixteen thousand, two hundred thirteen".
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